Driving apparatus.



No. 748,412. PATENTED 1320.29, 1903 A; E. NORRIS.

DRIVING APPARATUS.-

APPLIUATION FILED DEC. 4, 1900.

5 SHEETS-SHEET 1.

N0 MODEL.

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No, 748,412. PATENTED D30, 29, 1903.

- A A. E. NORRIS.

DRIVING APPARATUS.

A PPLIOATION FILED DEC. 4, 1900. N0 MODEL. 5 SHEETS-SHEET 2.

PATENTED DEG. 29, .1903.

' A. EA NORRIS. DRIVING APPARATUS.

APPLIUATION FILED DEC. 4, 1900.

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5 SHEETS-SHEET 3.

A \illlillll lw AA 1 W RN I A No. 748,412. V PATENTED DEC. 29, 1903.

A. E. NORRIS.

DRIVING APPARATUS. APPLIOA'I'ION FILED DEC. 4, 1900. 7

N0 MODEL. 5 SHEETS-513E111 4.

No. 748,412. PATENTED DEG.29, 1903.

A. E. NORRIS. DRIVING APPARATUS.

APPLICATION FILED DEC. 4, 1900- N0 MODEL. 5 SHEETS-SHEET 5- I UNITED STATES Patented December 29, 1903.

ALMON E. NORRIS, OF CAMBRIDGE, MASSACHUSETTS.

DRIVING APPARATUS.

SPECIFICATION forming part of Letters Patent No. 748,412, dated December 29, 1903. Application filed December 4. 1900. Serial No. 38.625. (No model.)

To all whom it may concern:

Be it known that I, ALMON E. NORRIS, a ci-tizen of the United States, and a resident of Cambridge, county of Middlesex, and State of Massachusetts, have invented an Im provement in Driving Apparatus, of which the following description, in connection with the accompanying drawings,-is a specification, like characters on the drawings representing like parts.

This invention relates toa mechanical movement which is capable of use in various relations where it is desired to drive one element from another and toohange at will the angular position of one with relation to the other.

The device comprises a driving element, hereinafter called the driver, a driven element, transmission-gearing connecting said elements, and means whereby said gearing may be operated relative to one of said elements to turn the other element angularly with reference to the first.

In the form of the invention herein shown a two partcasing surrounds the transmissiongearing, and each part of said casing carries a portion of the gearing. Suitable means are provided for adjusting one part of the casing relative to the other, with the result that either the driving or driven element is given the necessary angular movement with relation to the other element.

By providing means whereby the relative angular motion of the drivenelemeut to the driving element gives said elements a longitudinal or axial motion with relation to each other the device may be used to operate a clutch. I

In the drawings I have illustrated various forms of mechanism involving my invention.

Figure 1 shows a simple embodiment of the invention, wherein the driver and driven elements are both shafts having the same axis of rotation. Figs. 2, 3, and 4 show modified forms of the invention. Fig. 5 is an elevation of rnyinvention as applied for operating a clutch. Fig. 6 is a section on the line 00 as, Fig. 5. Figs. 7 and 8 are details, hereinafter described. Fig. 9 is a longitudinal sectional view showing a different way of applying the invention as a clutch-operating mechanism.

In all of the figures of the drawings the driving element is designated by b and the driven element by 61. These elements may be either shafts, gears, or any other rotary element, and in the form of the invention herein illustrated they are placed so as to have a common axis of rotation.

The transmission-gearing connecting the driving and driven elements includes a driving-gear integral with or fast to the driving element, a driven gear integral with or fast to the driven element, and intermediate gearing connecting said driving and driven gears and a portion of which is supported on each part of the two-part casing surrounding said gears. 7

Referring first to Fig. 1, which shows a simple embodiment of the invention, the driver I) is supported in suitable bearings a, and the driven element at is supported in other suit able bearings 0. These two elements are illustrated as shafts. The driving-gear is designated by 50, and this is fast to the driver I). The driven gear is also fast to the driven element (1. The driving and driven gears in this and the transmission-gearing connecting said gears comprise the bevel-gears 52, meshing with the driving-gear 50 and carried by one part 54 of the casing. The loose gear 51, which is in the nature of a loose ring mounted to rotate about the common axis of the shaftsb and d,has gear-teeth thereon to mesh with the gear-teeth 52 and the bevel-gears 56, which connect the loose gear or ring 51 to the driven gear55. The bevel-gears 56 are carried by the other part 59 of the casing. This part of the casing is made capable of adjustment angularly with relation to the part 54. of the casing by supporting said part of the casing on the bearing 0, so that it can turn about the bearing. This part 59 of the casing is heldinitsadjusted position bysuitableclamping-lugs f, (shown in dotted lines,) through which the usual clamping-bolt passes. A handie g serves to turn the part 59 of the casing about the axis of the shaft when the clamping-bolts are loosened. The part 54 of the casing is held stationary in any suitable way. Herein it is shown as being rigid with the bearing a. When the two parts of the easing are rigidly held in position, the motion of the driving-gear 50 will be con veyed through the gears 52 to the loose gear or ring 5L and embodiment of my invention are bevel-gears,

from said gears through the gears 56 to the driven gear'55, and thus to the driven element, as will be obvious. The effect of turning the part 59 of the casing in either direction by meansof the handle Q will be to change the angular position of the driven shaft relative to the driving-shaft, so as to give the former shaft either a backward or forward angular position with reference to the driving-shaft.

In Fig. 2 the driving-gear is designated by 60 and is shown as astraight-faced gear, and

the driven gear, which is also a straight faced gear, is designated by 66. These two gears are fast to the driving and driven shafts b and (1, respectively.

61 designates a loose ring or gear which is mounted to rotate about the common axis of the driving and driven elements, and which has two sets of gear-teeth thereon, one meshing with the gear 64, carried by one portion of the gear-casing, and the other meshing with gears 67, carried by the other portion h of the casing.

The gears 64 are connected with the driving-gear 60 through the intermediate gears 62, and the gears 67 are connected with the driven gear through the intermediate gears 68.

The gears 62 are shown as mounted on pinions 63, carried by the stationary portion of the two-part casing, and the gears 68 are carried by the movable part of the casing. The movable part of the casing has the hub 69, which is journaled on the bearing 0, so that said movable part of the casing can be turned about the bearing.

With both parts of the casing stationary power will be transmitted from the driving element to the driven element through the driving-gears 60, intermediate gears 62 64 to the loose gear 61, and from said loose gear through the gears 67 68 to the driven gear 66, and thus to the driven shaft 01.

The angular position of the driving-shaft b with reference to the driven shaft (1 can be changed in either direction by turning the adjustable portion of the casing it through the handle g.

In Fig. 3 I have shownastill different modification, wherein the loose gear 7], corresponding to 61 in Fig. 2, is connected to the driving gear and driven gears 70 and 73 by the double gears 72 and 74, respectively. The said gears 72 and 74 are mounted on the two parts of the gear-casing, the gears 74 being mounted on the movable part.

In Fig. 4 another form of the invention is illustrated, this differing principally'from the forms heretofore described in the construction of the loose ring and the manner of transmitting the power from the driven element to said loose ring. The driving-gear is designated by 80, the driven gear by 86. Each of the two parts 70 and 88 of the gear-casing has internal gear-teeth, which mesh with gears 82 and 83, respectively, carried by the loose ring 81 in any suitable way, as by being 83 and the resistance-gear on the interior of the portion 88 of the casing transmits rotary motion to the drivinggear 86, The portion 88 of the casing is made angularly adjustable with reference to the stationary portion is in any suitable way, as by providing said casing with the exterior gear-teeth with which the gear 89 meshes, said gear being carried by a shaft 90, mounted in bearings 91 on the stationary portion is of the casing. By turning the shaft and the gear-wheel 89 the portion 88 of the casing may be turned relatively to the portion is, and thus move the driven element d angularly either forward or backward.

Figs. 5 to 8 show a form of the invention very similar to that illustrated in Fig. 4, but arranged as a clutch-operating mechanism. In this form of the invention the drivingshaft 1) is provided with screw-threads at its end, and the driving-gear, which is in the nature of a hub 4, has a screw th readed socket 22 therein, which is screwed onto the screw-threaded portion 3 of the shaft 6. The hub 4 is provided with a groove 18, in which the loose member or ring 17 is supported for rotation, and said hub also has gear-teeth 26, thus constituting said member a drivinggear. The loose member or ring 17 carries on each side thereof the pinions 28 and 27, the pinion 28 meshing with the gear-teeth 26 and the pinion 27 meshing with the gear-teeth 25 on the flange 24 of the member 13, said member constituting the driven gear. The pinion 28 also meshes with gear-teeth 41 on the interior of the stationary portion of the casing, while the pinion 27 meshes with similar teeth 41 on the interior of the movable portion of the casing. The stationary portion of the casing comprises the stationary member 5, having the ring 6 secured thereto, and the movable portion of the casing comprises the adjustable member 11, which is seated in a groove 45 in the driven. gear 13 and has secured thereto the ring 9. Theinternal gearteeth 41 are on the rings 6 and 9, respectively, and said rings are secured to the members 5 and 11 in any suitable way, as by screws 7' and 12. The driven element d is rigidly secured to the driven gear 13 in any suitable way, this being herein accomplished by splitting the member 13, as at 14, and providing the c1amping-bolt15 for clamping said member tightly about the driven member d. Said driven element has a screw-threaded engagement either with the driving element 1) or with the driving-gear 4. The latter construction IIO . the driven element (1 and the driving-gearlates in the portion 11 of the gear-casing,

turned either forwardly or backwardly with relation to the driving-gear b, and because of the screw-threaded engagement between such relative turning movement will give the driven element 61 a longitudinal movement. To accommodate this longitudinal movement of the adjustable portion of the gear-teeth, I provide the ring 6 with exterior screw-threads 8, which fit interior screw-threads 40 upon the ring 9, and the pitch of said threads is such that the longitudinal movement of the adj ustahle portion of the casing corresponds exactly to that of the element (1.

In Figs. 7 and 8 I have illustrated my preferred form of loose ring 17. This is shown as made in two parts, each having the lugs 31, which are clamped together by means of bolts 32in the usual manner, this construction providing for the removal or replacing of said loose ring upon the hub 4. Each side of the central wall of said ring is provided with the arched portion 33, which is connected to said central wallby the lateral strengthening-webs 35. The pin or shaft 34,upon which the pinions 27 28 rotate, is journaled in the central web of said ring and also in the arched portion 33. This form of the invention, wherein the relative rotary movement between the driven and driving elements is converted into a relative longitudinal movement, is especially applicable for operating a clutch.

In one form of clutch-operating mechanism for hoisting-machines or similar devices the clutch is controlled by a thrust-pin extending longitudinally of the shaft and bearing against a thrust-screw supported in stationary bearings. The rotation of the screw advances or retracts the latter, and thus gives longitudinal movement to the thrust-pin for operating a clutch.

When my invention is applied as a clutchoperating mechanism, the driven element (1 is so placed as to bear against the usual clutch-operating pin 0, which projects from the end of the shaft band by means of which the clutch is thrown. A bearing-pin e, seated in a socket 20 in the end of the screw or driven member d, is interposed between said screw and the thrust-pin o. This latter thrust-pin c engages at its inner end a cross-key supported in a slot in the shaft to which the movable clutchmember is connected, as usual.

In Fig. 6 no separate bearings c are necessary for the driven element 01, because said element is supported in the driven gear 13, and said latter gear is supported by and roof the gear casing.

which in' turn is supported by the stationary portion of the casing. One advantage incident to the use of this form of my invention in operatinga clutch is that the longitudinal thrust on the operating-screw (Z is transmitted through the gear-casing to the shaft 12 instead of being taken by the bearings for the shaft. 42 design ates suitable oil-holes, by means of which the casing can be filled or partially filled with oil, so that the gearing will run smoothly. a In Fig. 9 I have shown still another wayin which the mechanical movement (illustrated in Fig. 6) may be employed to operate a clutch, and in said figure 1) represents themain shaft, which is supported in suitable bearings c" and has keyed thereto the movable clutch member on, which cooperates with the fixed clutch member at, the latter being in the form of a driving-pulley loose upon the shaft. The shaft 1) has fast thereon to rotate therewith the driving-gear 4, which corresponds to the dri-ving-gear4 in Fig. 6. Loose upon the shaft is the driving-gear l3, corresponding to the driving-gear 13 in Fig. 6. The intermediate gearing connecting said driving and driven gears are identical with those illustrated in Fig. 6, and the same parts are illustrated by the same reference characters primed, as in Fig. 6. It will be seen that the drivinggear 4' carries the loose ring 17, which ring in turn supports pinions 28 and 27, and that the pinion 27 meshes with gear-teeth 26 upon the driving-gear 4 and also with internal gear-teeth on the ring 6' The gear 27 meshes with teeth upon the driven gear 13 and also with internal teeth upon the ring 9'. The driven gear 13 has gear-teeth g thereon which mesh with gears it, fast upon the ends or heads of the clutch-operating screws 15.

The latter screws are mounted inthe collar 1, fast to the shaft 1), and engage adjustingscrews 10, mounted in the collar 0, which bears against the movable clutch member m. From this construction it will be seen that so long as the operating-lever 10 is stationary the shaft may be rotated without moving the clutch member m longitudinally, but that the movement of the lever 10 in either direction will through the gearing described rotate the clutch-operating screws and through said screws move the movable clutch member an longitudinally.

While I have shown in Figs 6 and 9 aspecitic application of my invention, I do not Wish to be limited to any particular use, as

my improved mechanical movement is capable of use for various purposes. Neither do I wish to be limited to the precise construction shown, as the. arrangement of gearing may bechanged without departing from the invention expressed in the appended claims.

Having described my invention, what I claim as new, and desire to secure by Letters Patent, is

1. In a mechanical movement, a drivinggear,a driven gear,transmission-gearing connecting said gears, a two-part casing surrounding said transmission -gearing, each part of which supports part of saidtransmis sion-gearing, and means to adjust one part of said casing relative to the other, whereby the driven gear is moved angularly with reference to the driving-gear.

2. In a mechanical movement, a drivinggear,a driven gear,transmission-gearing conmeeting said gears, a two-part easing surrounding said gear, each part of said casing carrying part of the transmission-gearing, and means to adjust one part of the casing in either direction relative to the other part, whereby the driven gear may be turned angularlyin either direction with relation to the driving-gear.

3. In a mechanical movement, a drivinggear, a driven gear having the same axis of rotation as the driving-gear, transmissiongearing connecting said gears,a two-part casing surrounding the transmission-gearing, a portion of said gearing being carried by each part of the casing, and means to adjust one part of said casing with relation to the other, whereby the driven gear may be moved angularly with relation to the driving-gear.

4. In a mechanical movement, a driving element and a driven element, transmissiongearing connecting said elements, a two-part casing surrounding said gearing, each part of said casing carryinga portion of said gearing, and means to adjust one part of the easing relative to the other, whereby the driven element is given an angular movement with relation to the driving element.

5. In an apparatus of the class described, a driving-shaft, a driven element having the same axis of rotation as the driving-shaft, a gear fast to the driving-shaft, a corresponding gear fast to the driven element, a loose ring rotatable about the axis of said shaft, gears carried by said loose ring and meshing with the first-mentioned gears, and normally fixed gears having internal teeth cooperating with the said last-named gears.

6. In an apparatus of the class described, a driving-shaft, a driven element having the same axis of rotation as the driving-shaft, a gear fast to the driving-shaft, a corresponding gear fast to the driven element, a loose ring rotatable about the axis of said shaft, gears carried by said loose ring and meshing with the first-mentioned gears, normally fixed gears having internal teeth cooperating with the said last-named gears, and means to adjust one of said internal gears angularly relative to the other whereby the angular position of the driven element may be changed.

7. In an apparatus of the class described, a driving element and a driven element having a common axis, the driven element having a screw-threaded engagement with the driving element, gearing connecting said elements, and means to adjust said gearing to rotate the driven element angularly with reference to the driving element.

8. In an apparatus of the class described, a driving element and a driven element having a common axis, the driven element having a screw-threaded engagement with the driving element, gearing connecting said elements, and means to adjust said gearing to rotate the driven element angularly in either direction with reference to the driving element.

9. In an apparatus of the class described, a driving element and a driven element having a screw-threaded engagement with the driving element, compound differential gearing connecting said elements, said gearing comprising two sets of differential gearing having one member in common, said member being free to rotate about the axis of the shaft, each set of differential mechanism having a member fixed to the driving and driven elements respectively, an intermediate member carried by a normally fixed support and cooperating with the other membersof theset, and means to adjust the support of one intermediate gear relative-to that of the other intermediate gear.

10. In an apparatus of the class described, a driving element and a driven element having a screw-threaded engagement with the driving element, transmission-gearing connecting said elements, said gearing comprising two orbitally-movable gears, and means to adjust one of said gears relative to the other, whereby the driven element is turned angularly with reference to the driving element.

11. In a mechanical movement, a revoluble shaft, a driving member fixed thereon, a driven member supported to have a rotary movement independent of the driving member, means intermediate said members for transmitting motion from the driving member to the driven member so as to rotate the latter at the same angular velocity and in the same direction as the driving member, a device operated by said driven member, means for operating the intermediate transmitting mechanism to give the driven member an additional movement, and mechanism intermediate said driven member and said device whereby the said additional movement of the driven member causes a movement of the said device relative to the driven member.

12.. In a mechanical movement, a revoluble shaft, a driving-wheel fixed thereon, a driven wheel mounted to have a rotary movement relative to the shaft, means intermediate said wheels for transmitting mot ion from the driving-wheel to the driven wheel so as to rotate the latter at the same angular velocity and in the same direction as the driving-Wheel, a device to be operated, and means for operating the intermediate transmitting mechanism to give the driven wheel an additional movement in a positive or negative direction, the said additional movement of the driven wheel causing a movement of the said device.

13. In a mechanical movement, the combination with a revoluble shaft, a driving-wheel fixed thereon, a driven wheel mounted to have a rotary movement relative to the shaft, and gearing intermediate said driving and driven wheels, whereby the latter is rotated by the former, said intermediate gearing being mounted so as to be orbitally movable with relation to the shaft, of a device to be operated, means for moving the intermediate gearing in its orbit, whereby an additional movement is imparted to the driven wheel, and means connecting the driven wheel and the said device, whereby the said additional movement of the driven wheel causes a movement of the said device.

14. In a mechanical movement, a drivinggear, a driven gear, transmission-gearing connecting said gears, a two-part casing surrounding said gearing, one part of said casing being supported on the other and capable of and each part of the casing supporting part of the transmission-gears, and means to adjust the adjustable portion of the casing.

In testimony whereof I have signed my name to this specification in the presence of two subscribing witnesses.

ALMON E. NORRIS.

Witnesses:

JOHN C. EDWARDS, LOUIS 0.- SMITH. 

